You meant all these grand masters who are masters of dozen different arts are kinda sucked?

Ahhh but see....
a. They never really were masters of all those arts.
b. Do you know how many Xdan Japanese teachers are not worth the price of admission?
I have watched any number of rather famous "Japanese" teachers who stunk up the place and their peers...who are good...all know it too. Just don't expect them to tell you that any day soon!
All is not as it appears regardless of rank or affiliation!
Dan